main()
{
    int i,j,k,l,m,n;
    printf("Input two FENSHU :\n");
    scanf("%d/%d,%d/%d",&i,&j,&k,&l);
    m=zxgb(j,l)/j*i;
    n=zxgb(j,l)/l*k;
    if(m>n)
    printf("%d/%d>%d/%d\n",i,j,k,l);
    else if (m==n)
    printf("%d/%d=%d/%d\n",i,j,k,l);
    else
    printf("%d/%d<%d/%d\n",i,j,k,l);
}//lekai
zxgb(a,b)
int a,b;
{
    long int c;
    int d;
    if (a<b)c=a,a=b,b=c;
    for(c=a*b;b!=0;){
        d=b;b=a%b;a=d;
    }
    return((int)c/a);
}